CN210629444U - Ultrathin optical encoder - Google Patents
Ultrathin optical encoder Download PDFInfo
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- CN210629444U CN210629444U CN201921502283.4U CN201921502283U CN210629444U CN 210629444 U CN210629444 U CN 210629444U CN 201921502283 U CN201921502283 U CN 201921502283U CN 210629444 U CN210629444 U CN 210629444U
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- 230000003287 optical effect Effects 0.000 title claims abstract description 32
- 239000000463 material Substances 0.000 claims abstract description 7
- 239000011248 coating agent Substances 0.000 claims abstract description 3
- 238000000576 coating method Methods 0.000 claims abstract description 3
- 230000009977 dual effect Effects 0.000 claims description 3
- 238000009429 electrical wiring Methods 0.000 claims 1
- 238000009434 installation Methods 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 230000008859 change Effects 0.000 abstract description 3
- 239000000428 dust Substances 0.000 abstract description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- 238000013016 damping Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
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- 230000006872 improvement Effects 0.000 description 1
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Abstract
The utility model discloses an ultra-thin optical encoder, a through hole for installing an encoding turntable is arranged on a bottom plate, a light-emitting element and a photosensitive element which are matched with each other are pasted on the bottom plate and provided with waterproof coating films, and the light-emitting element and the photosensitive element form a light pair pipe; the coding turntable is a hollow ring cover which is provided with a rotating shaft at the center and is made of opaque materials, and an optical path switch is arranged on the outer ring wall of the coding turntable. The coding turntable is a hollow circular cover which is made of light-tight materials and provided with a rotating shaft at the center, the change of an optical path is realized by using an optical through hole on the outer ring wall of the hollow circular cover and light geminate transistors inside and outside the circular cover, the identification is sensitive and quick, and the paragraph sense is realized when the paragraph ring and the elastic piece vibrate; the annular cover and the paragraph ring are integrally designed, so that the production is convenient, the structure is compact, the space between the base plate and the outer cover is saved, the outer cover can also effectively prevent water and dust, and the assembly and disassembly between the outer cover and the base plate are convenient.
Description
Technical Field
The utility model relates to a coding signal output device, concretely relates to ultra-thin optical encoder.
Background
The rotary coding switch is a row of switches commonly used on a mainboard and used for adjusting frequency by using a jumper wire, and is also called as a coding switch and a dial switch to output binary BCD codes.
Existing optical encoders generally employ a grating structure, namely: the grating of the roller is arranged between the light emitting diode and the receiving tube, when the roller rolls, the grating continuously blocks and transmits light, so that the receiving tube obtains a pulse signal, the rolling effect of the sensing roller is realized, and meanwhile, some mechanical structures are needed to realize the hand feeling of section when the roller rotates for obtaining smooth hand feeling operation.
SUMMERY OF THE UTILITY MODEL
In view of the above, the utility model aims at providing a thin and durable optical encoder of structure, the utility model discloses still ingenious section when having solved ultra-thin optical encoder operation feels the problem.
In order to realize the technical purpose, the utility model discloses a scheme is: an ultrathin optical encoder comprises a base plate, an outer cover and a coding turntable arranged between the base plate and the outer cover, wherein the base plate is provided with a through hole for mounting the coding turntable, a light-emitting element and a photosensitive element which are matched with each other are pasted on the base plate and provided with waterproof coating films, and the light-emitting element and the photosensitive element form a light-to-light pipe; the coding turntable is a hollow annular cover which is provided with a rotating shaft at the center and is made of light-tight materials, and an optical path switch is arranged on the outer annular wall of the coding turntable; the coding rotary disc is inserted into the through hole through the rotating shaft and buckled on the bottom plate; when the light path switch on the ring cover rotates to the light path of the light pair tube, the photosensitive element can receive the light emitted by the light receiving element.
Preferably, the light path switch is an optical through hole formed in an outer annular wall of the code turntable, and the outer annular wall of the code turntable is located between the light emitting element and the photosensitive element.
Preferably, the light path switch is a reflecting mirror surface arranged on the outer ring wall of the code turntable, and the light-emitting element and the photosensitive element are positioned on one side of the reflecting mirror surface on the outer ring wall of the code turntable.
Preferably, the ring cover is further provided with a circle of segment rings, and the surfaces of the segment rings are uniformly distributed arc concave-convex; the elastic piece is arranged corresponding to the paragraph ring, and when the coding turntable rotates, the elastic piece is matched with the paragraph ring to provide paragraph feeling during rotation.
Preferably, the annular cover has a plurality of light path switches with light through holes on the outer wall, and the light path switches are arranged at equal intervals.
Preferably, the elastic member is a cross beam structure with pins at two ends, the pins at two ends of the elastic member are fixed on the bottom plate, the middle of the cross beam of the elastic member is bent into a circular arc-shaped protruding end, and the circular arc-shaped protruding end is matched with the circular arc concave-convex recess on the surface of the segment ring.
Preferably, the middle part of the bottom plate is provided with a through hole, and the rotating shaft of the circular ring cover is arranged in the through hole.
Preferably, the bottom of the periphery of the outer cover is provided with at least one clamping hook, a bottom plate notch corresponding to the clamping hook is arranged around the bottom plate, and the bottom plate and the outer cover are buckled and installed together through the bottom plate notch and the clamping hook.
Preferably, the bottom of the bottom plate is provided with an electrical flat cable or an electrical pin header.
Preferably, the bottom plate is provided with a light-emitting LED module, and the light-emitting LED module is arranged outside the outer cover.
Preferably, the photosensitive element is a photoreceiver dual PT, and the light-emitting element is a light emitter IR.
The utility model has the advantages that: the coding turntable is a hollow circular cover which is made of light-tight materials and provided with a rotating shaft at the center, the change of an optical path is realized by using an optical through hole on the outer ring wall of the hollow circular cover and light geminate transistors inside and outside the circular cover, the identification is sensitive and quick, and the paragraph sense is realized when the paragraph ring and the elastic piece vibrate; the annular cover and the paragraph ring are integrally designed, so that the production is convenient, the structure is compact, the space between the base plate and the outer cover is saved, the outer cover can also effectively prevent water and dust, and the assembly and disassembly between the outer cover and the base plate are convenient.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of a partial structure of the present invention;
FIG. 3 is a schematic structural view of the bottom plate of the present invention;
fig. 4 is a bottom view of the present invention;
fig. 5 is an exploded view of the present invention;
fig. 6 is a schematic structural view of the ring cover and the segment ring of the present invention.
Wherein: 1. a base plate; 101. a bottom plate notch; 2. an outer cover; 3. a light-to-tube; 301. a light emitting element; 302. a photosensitive element; 4. a rotating shaft; 5. a ring cover; 6. a light through hole; 7. a paragraph ring; 701. arc concave-convex; 8. an elastic member; 801. a raised end; 9. a through hole; 10. electrically arranging the pins; 11. an LED module; 12. and (7) clamping hooks.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-6, the embodiment of the present invention is an ultra-thin optical encoder, which includes a base plate 1 and an outer cover 2, and a coding turntable installed between the base plate 1 and the outer cover 2, and further includes a pair of light pipes 3 composed of a light emitting element 301 and a light sensitive element 302; the bottom plate 1 can be a PCB (printed circuit board) or a supporting plate attached with the PCB; the coding turntable is a hollow circular cover 5 which is provided with a rotating shaft 4 at the center and is made of light-tight materials, and the outer annular wall of the coding turntable is provided with at least one light path switch of a light through hole 6; when the coding turntable is inserted into the through hole 9 through the rotating shaft 4 and is buckled on the base plate 1, the outer annular wall of the coding turntable is positioned between the light-emitting element 301 and the photosensitive element 302; when the light path switch of the light through hole 6 on the ring cover 5 is rotated to the light path of the light pair tube 3, the light sensitive element 302 can receive the light emitted by the light receiving element 301.
The light path switch is a light through hole 6 formed in the outer ring wall of the coding turntable, and the outer ring wall of the coding turntable is located between the light emitting element 301 and the light sensitive element 302. One element of the light-pair tube 3 is arranged in the ring cover 5, the other element is arranged outside the ring cover 5, when the light through hole 6 on the ring cover 5 rotates to the light path of the light-pair tube 3, the photosensitive element 302 can receive the light of the light-receiving element 301, the hollow ring cover rotates, and the light path between the photosensitive element and the light-emitting element forms a state of circular open circuit and circular passage.
The light path switch may also be a reflective mirror disposed on the outer circumferential wall of the dial, the light emitting element 301 and the photosensitive element 302 are disposed on one side of the reflective mirror of the outer circumferential wall of the dial, the light path emitted by the light emitting element is refracted by the reflective mirror, and the photosensitive element receives the light emitted by the light emitting element.
In addition, a circle of segment rings 7 are further arranged on the ring cover 5, the surfaces of the segment rings 7 are uniformly distributed with arc concave-convex parts 701, elastic pieces 8 are arranged corresponding to the segment rings 7, and when the encoding turntable rotates, the elastic pieces 8 cooperate with the segment rings 7 to provide a segment sense during rotation. The elastic part 8 of the encoder is of a beam structure with pins at two ends, the pins at two ends of the elastic part 8 are fixed on the bottom plate, the middle of the beam of the elastic part 8 is bent into a circular arc-shaped protruding end 801, and the circular arc-shaped protruding end 801 is matched with the concave part of the circular arc-shaped concave-convex part 701 on the surface of the paragraph ring 7. When the encoder works, the convex end of the elastic part is contacted with the circular arc concave-convex part of the continuously rotating paragraph ring, and the paragraph feeling is generated through vibration, so that the operation is smooth; the section ring of the encoder is of a flat ring structure, the encoding turntable is also of a hollow ring cover with small thickness, the section ring and the encoding turntable are vertically integrated, and the encoder is small in size and compact in structure.
In order to facilitate circuit connection, the bottom plate of the encoder is a PCB circuit board, and an electrical flat cable or an electrical pin 10 is arranged at the bottom of the bottom plate 1, so that the connection is convenient and the stability is good.
In order to make the light path pass and block, the light path switches on the outer ring wall of the ring cover (5) are a plurality of light path switches which are arranged at equal intervals and evenly.
In order to fix the ring cover and the bottom plate conveniently, a through hole 9 is formed in the middle of the bottom plate 1, and the rotating shaft 4 of the ring cover 5 is installed in the through hole 9. Meanwhile, the outer cover of the encoder is connected with the bottom plate in a buckling mode, at least one clamping hook 12 is arranged at the bottom of the periphery of the outer cover 2, a bottom plate notch 101 corresponding to the clamping hook is arranged around the bottom plate 1, the bottom plate 1 and the outer cover 2 are installed together through the bottom plate notch 101 and the clamping hook 12 in a buckling mode, the structure is simple, the disassembly is convenient, the fixation is firm, and the outer cover is prevented from deviating due to vibration in the using process.
In order to enable the encoder to emit light when in use, the bottom plate 1 is provided with the light-emitting LED module 11, so that the encoder is convenient to use in night occasions and can be used in extended use occasions, the light-emitting LED module 11 is arranged outside the outer cover 2, the light effect cannot be influenced, and the light penetration capacity is stronger. To increase the sensitivity of the encoder, the photosensitive element 302 is a photoreceiver dual PT and the light emitting element 301 is a light emitter IR. The infrared ray emitter IR is low in production cost and mature in process, the light receiver PT is sensitive to infrared ray receiving, the sensitivity is high, and the occurrence of faults is further reduced by adopting the double light receivers PT.
The working principle of the application is as follows: when the coding turntable rotates, the optical through hole on the outer ring wall of the ring cover moves along with the coding turntable, so that an optical signal between the photosensitive element and the light-emitting element changes; meanwhile, the segment ring on the ring cover rotates, the circular arc on the segment ring is concave and convex, and contacts with the convex end of the elastic piece on one side to generate damping vibration, when the concave part of the circular arc is in contact with the convex end, the damping is minimum, and when the convex part of the circular arc is in contact with the convex end, the damping is maximum.
The coding turntable is a hollow circular cover which is made of light-tight materials and provided with a rotating shaft at the center, the change of an optical path is realized by using an optical through hole on the outer ring wall of the hollow circular cover and light geminate transistors inside and outside the circular cover, the identification is sensitive and quick, and the paragraph sense is realized when the paragraph ring and the elastic piece vibrate; the annular cover and the paragraph ring are integrally designed, so that the production is convenient, the structure is compact, the space between the base plate and the outer cover is saved, the outer cover can also effectively prevent water and dust, and the assembly and disassembly between the outer cover and the base plate are convenient.
The above, only do the preferred embodiment of the present invention, not used to limit the present invention, all the technical matters of the present invention should be included in the protection scope of the present invention for any slight modification, equivalent replacement and improvement of the above embodiments.
Claims (10)
1. The utility model provides an ultra-thin optical encoder, includes bottom plate (1) and enclosing cover (2) to and install the code wheel between bottom plate (1) and enclosing cover (2), its characterized in that: the light-emitting diode is characterized in that a through hole (9) for installing a coding turntable is formed in the bottom plate (1), a light-emitting element (301) and a photosensitive element (302) which are matched with each other in a film attaching mode are attached to the bottom plate (1) and provided with waterproof coating films, and the light-emitting element (301) and the photosensitive element (302) form a light-to-tube light; the coding turntable is a hollow circular cover (5) which is provided with a rotating shaft (4) at the center and is made of light-tight materials, and an optical path switch is arranged on the outer ring wall of the coding turntable; the coding turntable is inserted into the through hole (9) through the rotating shaft (4) and is buckled on the bottom plate (1); when the light path switch on the ring cover (5) rotates to the light path of the light pair tube (3), the photosensitive element (302) can receive the light emitted by the light receiving element (301).
2. The ultra-thin optical encoder of claim 1, wherein: the light path switch is an optical through hole (6) formed in the outer ring wall of the coding turntable, and the outer ring wall of the coding turntable is located between the light-emitting element (301) and the photosensitive element (302).
3. The ultra-thin optical encoder of claim 1, wherein: the light path switch is a reflecting mirror surface arranged on the outer ring wall of the coding turntable, and the light-emitting element (301) and the photosensitive element (302) are positioned on one side of the reflecting mirror surface on the outer ring wall of the coding turntable.
4. The ultra-thin optical encoder of claim 1, wherein: a circle of segmental rings (7) are further arranged on the circular ring cover (5), and the surfaces of the segmental rings (7) are uniformly distributed arc concave-convex parts (701); an elastic piece (8) is arranged corresponding to the paragraph ring (7), and when the coding turntable rotates, the elastic piece (8) is matched with the paragraph ring (7) to provide paragraph feeling during rotation.
5. The ultra-thin optical encoder of claim 1, wherein: the light path switches on the outer ring wall of the ring cover (5) are plural and are uniformly arranged at equal intervals.
6. The ultra-thin optical encoder of claim 4, wherein: the elastic piece (8) is of a cross beam structure with pins at two ends, the pins at two ends of the elastic piece (8) are fixed on the bottom plate, the middle of the cross beam of the elastic piece (8) is bent into a circular arc-shaped protruding end (801), and the circular arc-shaped protruding end (801) is matched with the concave part of the circular arc-shaped concave-convex part (701) on the surface of the paragraph ring (7).
7. The ultra-thin optical encoder of claim 1, wherein: the middle of the bottom plate (1) is provided with a through hole (9), and the rotating shaft (4) of the circular ring cover (5) is arranged in the through hole (9).
8. The ultra-thin optical encoder of claim 1, wherein: the outer periphery bottom of enclosing cover (2) is equipped with at least one trip (12), is equipped with around bottom plate (1) with the corresponding bottom plate breach (101) of trip, through bottom plate breach (101) and trip (12) lock installation together between bottom plate (1) and enclosing cover (2).
9. The ultra-thin optical encoder of claim 1, wherein: the bottom of the bottom plate (1) is provided with an electrical wiring or an electrical pin header (10).
10. The ultra-thin optical encoder of claim 1, wherein: the bottom plate (1) is provided with a light-emitting LED module (11), and the light-emitting LED module (11) is arranged outside the outer cover (2); the photosensitive element (302) is a photoreceiver dual PT and the light emitting element (301) is a light emitter IR.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921502283.4U CN210629444U (en) | 2019-09-10 | 2019-09-10 | Ultrathin optical encoder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921502283.4U CN210629444U (en) | 2019-09-10 | 2019-09-10 | Ultrathin optical encoder |
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| Publication Number | Publication Date |
|---|---|
| CN210629444U true CN210629444U (en) | 2020-05-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921502283.4U Active CN210629444U (en) | 2019-09-10 | 2019-09-10 | Ultrathin optical encoder |
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| CN (1) | CN210629444U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021046663A1 (en) * | 2019-09-10 | 2021-03-18 | 东莞市名键电子科技有限公司 | Ultra-thin optical encoder and manufacturing method therefor |
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2019
- 2019-09-10 CN CN201921502283.4U patent/CN210629444U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2021046663A1 (en) * | 2019-09-10 | 2021-03-18 | 东莞市名键电子科技有限公司 | Ultra-thin optical encoder and manufacturing method therefor |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230605 Address after: No. 1603, Zhejiang Dongguan Business Center, Dongguan Rural Commercial Bank Tangxia Branch Building, No. 5 Yingbin Avenue, Tangxia Town, Dongguan City, Guangdong Province, 523716 (cluster registration) Patentee after: Guangdong Hengfeng Enterprise Management Co.,Ltd. Address before: 523718 No.6 Dongyu 2nd Street, Xiekeng Industrial Zone, Qingxi Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN MINGJIAN ELECTRONIC TECHNOLOGY Co.,Ltd. |
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| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20241113 Address after: 516123 shata section, Tiantou village, Yuanzhou Town, BOLUO County, Huizhou City, Guangdong Province Patentee after: Guangdong Ruixun Electronic Technology Co.,Ltd. Country or region after: China Address before: No. 1603, Zhejiang Dongguan Business Center, Dongguan Rural Commercial Bank Tangxia Branch Building, No. 5 Yingbin Avenue, Tangxia Town, Dongguan City, Guangdong Province, 523716 (cluster registration) Patentee before: Guangdong Hengfeng Enterprise Management Co.,Ltd. Country or region before: China |